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Relationship between serum cytokine levels and histopathological changes of liver in patients with hepatitis B

World Journal of Gastroenterology 2005年第21期11卷 3260-3263页

作者： Nusret Akpolat seyfettin yahsi Ahmet Godekmerdan Kutbettin Demirbag Mehmet Yalniz Departments of Pathology Faculty of Medicine Firat University ElazigTurkey Departments of Immunology Faculty of Medicine Firat UniversityElazigTurkey Departments of Infection Diseases Faculty of Medicine Firat University Elazig Turkey Departments of Gastroenterology Faculty of Medicine Firat University Elazig Turkey

AIM: To investigate whether there was a relationship between the liver functions and fibrosis scores of hepatitis B patients and their TNF-α, IFN-γ,IL-4, and TGF-β1 serum levels based on the studies of liver biopsies. METHODS: Thirty patients with chronic hepatitis B (CHB) receiving no treatment and 30 healthy individuals with negative hepatitis serology and normal values of liver biochemistry were studied. After serum samples of the patients were collected, liver needle biopsy was performed on each patient. Cytokine levels were studied by ELISA. The biopsy materials were scored based on Knodell's histological activity index. RESULTS: In comparison of cytokine levels between CHB patients and control group, TNF-α,IL-4, and TGPβ1 levels of the patients were higher in CHB patients than in the controls, while IFN-γ level was lower in the patients than in the controls. There were significant differences between the groups in TNF-α, IL-4, TGF-β1, and IFN-γ(P0.05). TGF-β1 was correlated with fibrosis (P0.05). CONCLUSION: In the course of HBV infection and its chronic progress, cytokines play an important role. IL-4 and IFN-γ are effective in the chronic progression, while TGF-β1 is effective in the development of fibrosis. Serum cytokine levels may be effective tools in the estimation of chronic progression and fibrosis development.

关键词： Hepatitis B Cytokine

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